<template>
  <PageWrapper title="标签页+多级field表单" v-loading="loading">
    <div class="mb-4">
      <a-button @click="handleReset" class="mr-2"> 重置表单 </a-button>
      <a-button @click="handleSetValues" class="mr-2"> 设置默认值 </a-button>
      <a-button @click="handleSubmit" class="mr-2" type="primary">
        提交表单
      </a-button>
    </div>
    <CollapseContainer title="标签页+多级field表单">
      <Tabs v-model:activeKey="activeKey">
        <TabPane
          v-for="item in tabsFormSchema"
          :key="item.key"
          v-bind="omit(item, ['Form', 'key'])"
        >
          <BasicForm @register="item.Form[0]" />
        </TabPane>
      </Tabs>
    </CollapseContainer>
  </PageWrapper>
</template>

<script lang="ts" setup>
import { ref } from "vue";
import { Tabs } from "ant-design-vue";
import { PageWrapper } from "@/components/Page";
import { CollapseContainer } from "@/components/Container";
import { useMessage } from "@/hooks/web/useMessage";
import { omit } from "lodash-es";
import { deepMerge } from "@/utils";
import {
  BasicForm,
  FormSchema,
  useForm,
  FormProps,
  UseFormReturnType,
} from "@/components/Form";

defineOptions({ name: "TabsFormDemo" });

const TabPane = Tabs.TabPane;
type TabsFormType = {
  key: string;
  tab: string;
  forceRender?: boolean;
  Form: UseFormReturnType;
};

const { createMessage } = useMessage();
const activeKey = ref("tabs2");
const loading = ref(false);
const tabsFormSchema: TabsFormType[] = [];

// 公共属性
const baseFormConfig: Partial<FormProps> = {
  showActionButtonGroup: false,
  labelWidth: 100,
};

// 为每个字段模拟默认值, { tabs1: { field1: '', field2: '' }, tabs2: { field1: '' }, ... }
const mockDefaultValue: Recordable = {};

// 模拟5个标签页
for (let i = 1; i <= 5; ++i) {
  const tabsKey = `tabs${i}`;

  // 每个标签页8个字段
  const schemas: FormSchema[] = [];
  const row: Recordable = {};

  for (let j = 1; j <= 8; ++j) {
    schemas.push({
      field: `${tabsKey}.field${j}`,
      label: `${tabsKey}-field${j}`,
      component: "Input",
      colProps: { span: 24 },
    });
    row[`field${j}`] = `field: ${tabsKey}.field${j}, default value`;
  }

  mockDefaultValue[tabsKey] = row;

  tabsFormSchema.push({
    key: tabsKey,
    tab: tabsKey,
    forceRender: true,
    Form: useForm(Object.assign({ schemas }, baseFormConfig) as FormProps),
  });
}

async function handleReset() {
  for (const item of tabsFormSchema) {
    const { resetFields } = item.Form[1];
    await resetFields();
  }
}

async function handleSubmit() {
  let lastKey = "";
  loading.value = true;
  try {
    const values: Recordable = {};
    for (const item of tabsFormSchema) {
      lastKey = item.key;
      const { validate, getFieldsValue } = item.Form[1];
      await validate();
      // 表单已支持多级key
      deepMerge(values, getFieldsValue());
    }

    console.log("submit values: ", values);
    createMessage.success("提交成功！请打开控制台查看");
  } catch (e) {
    // 验证失败或出错，切换到对应标签页
    activeKey.value = lastKey;
    console.log(e);
  } finally {
    loading.value = false;
  }
}

async function handleSetValues() {
  console.log("默认值为: ", mockDefaultValue);
  for (const item of tabsFormSchema) {
    const { setFieldsValue } = item.Form[1];
    await setFieldsValue(mockDefaultValue);
  }
}
</script>
